//package com.changgou.order.config;
//
//import feign.RequestInterceptor;
//import feign.RequestTemplate;
//import org.springframework.stereotype.Component;
//import org.springframework.web.context.request.RequestContextHolder;
//import org.springframework.web.context.request.ServletRequestAttributes;
//
//import javax.servlet.http.HttpServletRequest;
//import java.util.Enumeration;
//
//
//@Component
//public class MyFeignInterceptor implements RequestInterceptor {
//    @Override
//    public void apply(RequestTemplate requestTemplate) {
//        ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
//        if (requestAttributes != null) {
//            //1.获取请求对象
//            HttpServletRequest request = requestAttributes.getRequest();
//            Enumeration<String> headerNames = request.getHeaderNames();
//            if (headerNames != null) {
//                //2.获取请求对象中的所有的头信息(网关传递过来的)
//                while (headerNames.hasMoreElements()) {
//                    String name = headerNames.nextElement();//头的名称
//                    String value = request.getHeader(name);//头名称对应的值
//                    System.out.println("name:" + name + "::::::::value:" + value);
//                    //3.将头信息传递给fegin (restTemplate)
//                    requestTemplate.header(name,value);
//                }
//            }
//        }
//
//
//    }
//}
